CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jul. 03, 2021	Jun. 30, 2022	Jul. 03, 2021
Income Statement [Abstract]
Net Sales	$ 1,349,400,000	$ 886,900,000	$ 2,647,900,000	$ 1,701,000,000
Cost of Sales	915,900,000	629,200,000	1,792,500,000	1,193,500,000
Gross Profit	433,500,000	257,700,000	855,400,000	507,500,000
Operating Expenses	238,600,000	140,200,000	490,600,000	288,500,000
Asset Impairments	0	2,300,000	0	2,300,000
Total Operating Expenses	238,600,000	142,500,000	490,600,000	290,800,000
Income from Operations	194,900,000	115,200,000	364,800,000	216,700,000
Other Income, Net	(1,500,000)	(1,200,000)	(2,800,000)	(2,400,000)
Interest Expense	13,400,000	11,500,000	22,400,000	24,100,000
Interest Income	(800,000)	(1,700,000)	(1,900,000)	(3,200,000)
Income before Taxes	183,800,000	106,600,000	347,100,000	198,200,000
Provision for Income Taxes	40,600,000	20,600,000	76,800,000	41,900,000
Net Income	143,200,000	86,000,000.0	270,300,000	156,300,000
Less: Net Income Attributable to Noncontrolling Interests	1,200,000	1,600,000	2,700,000	3,000,000.0
Net Income Attributable to Regal Rexnord Corporation	$ 142,000,000.0	$ 84,400,000	$ 267,600,000	$ 153,300,000
Earnings Per Share Attributable to Regal Rexnord Corporation:
Basic (in dollars per share)	$ 2.13	$ 2.07	$ 3.99	$ 3.78
Assuming Dilution (in dollars per share)	$ 2.12	$ 2.06	$ 3.96	$ 3.74
Weighted Average Number of Shares Outstanding:
Basic (in shares)	66.8	40.7	67.1	40.6
Assuming Dilution (in shares)	67.1	41.0	67.5	41.0